Cable shock absorber



Sept. 15, 1925.

w. L. BRUNVER CABLE SHOCK ABSORBER Filed Nov. 17 1922PatentedSept.15,1925. I f "f f if 1,553,890

UNITED STATES PATENT OFFICE, I LESLIn RUNEB, or wIoHITa (mm, TEXAS.

CABLE s-HooK Anson-BER. v Application filed November 17, 1922. SerialNo. 601,564.

To all whom it may concern," 1 and arranged to hold the shaft 3 inplace, 60 Be it known that I, WILLIAM -LESLIE 8 is a collar forming apart of the shaft 3, BRUNEia'a' citizen of the United States, re- 9 is aguide attached to a cross bar of the siding at lVichita Falls, in thecounty of derrick 2,'which'holds the lower end of the Wichita and Stateof-Texas, have invented shaft 3 in position, 10 and 11 are two a new anduseful Cable. Shock Absorber, of springs,'the spring 10 being arrangedabove which thefollowing is a specification. the guide 9 and the spring11 being ars This invention comprehends a cable shock ranged below theguide 9, 12 is a fiat washer, absorber i designed to keep a cable fromthe nut lS'being threaded on shaft 3. It

l breaking and prevent excessive stretching will be. noted that bytightening or loosen- 30 claimed.

of the same." The device is to be used on ing the nut 13 the tension ofthe springs 10 well machinery, derricks and the like. g and 11 may bearranged as desired, thus Another object of this invention is toproproviding means of enabling the cable shock vide a device of thisnature to be used on absorber to carry loads of various weights derricksandthelike, where cables are used, with equal efficiency. to keep thecable tight at all times, thus While it is believed from the foregoing-preventing a cable from getting looseand description the nature andadvantages of when the power is applied preventing the the device willbe readily apparent, I desudden jerk frombreakingthe'cable. 1 sire tohave it understood that I do not 20 Another object of this invention isto limit myself to what is herein shown and provide a device ofthisnature that can be described, and that such changes may beremanufactured at a verynominal cost. sorted to when desired as fallwithin the Thenature and advantages of the invenscopeof what is hereinclaimed. tion will be better understood when the fol- \Vhat I claim is:lowing detailed description is read in con- 1'. A cable shock absorberof the character nection with the accompanying drawing describedcomprising two supports attached forming a part of'this application. Theintea derrick and provided with two guides, vention'resides in theconstruction, combia vertical slidable shaft mounted in the nation and,arrangements of parts as guides, a fork shaped member forming a y l 7part of said shaft, a pulley shaft and pulley In the accompanyingdrawing the various, supported in the fork shaped member, two so partsare referred to by numbers. I springs arranged on the shaft, one aboveFigure l is a side view showing the the lower guide and one below thesaid method of using th cable. lower guide, a flat washer and a nut onthe 35 Figure2 is an enlarged view showing the lower end of said shaft,and a collar on the top of a derrick and method of constructing shaftabove the upper spring. 5 the cable shock absorber." 2. A cable shockabsorber asset forth The device forming thesubject. matter of comprisinga shaft having upper and lower this invention comprises two mainsupports guide means and disposed vertically in a 40 l which areattached. 'to the derrick 2. The derrick, said shaft having a forkshaped derrick and drilling machine illustrated in member at the topthereof, a pulley mountthe accompanying drawing are not claimed 1 ed in,said fork shaped member, springs ad- .asa part of this application, butare merely justably disposed on said vertical shaft, one shown toillustrate the method of using of said springs located above said lowerthe cableshock absorber; 3 isa shaft, 4 is guide means and one of saidsprings disposed a fork shaped member forming apart therebelow saidlower guide means, and a collar of to support the pulley shaft 5,the'pulley on said shaft forming an abutment for said 6 is supported bythe pulley shaft 5, the upper sprlng. s guide 7 is attached to the twomain supports IVILLIAM LESLIE BRUN ER.

